Measurement Of The Zγ→νν‾γ Production Cross Section In pp Collisions At s=8 TeV And Limits On Anomalous ZZγ And Zγγ Trilinear Gauge Boson Couplings
Physics Letters B
An inclusive measurement of the Zγ→νν‾γ production cross section in pp collisions at s=8TeV is presented, using data corresponding to an integrated luminosity of 19.6 fb−1 collected with the CMS detector at the LHC. This measurement is based on the observation of events with large missing energy and with a single photon with transverse momentum above 145GeV and absolute pseudorapidity in the range |η|<1.44. The measured Zγ→νν‾γ production cross section, 52.7±2.1 (stat)±6.4 (syst)±1.4 (lumi) fb, agrees well with the standard model prediction of 50.0−2.2 +2.4 fb. A study of the photon transverse momentum spectrum yields the most stringent limits to date on the anomalous ZZγ and Zγγ trilinear gauge boson couplings.
Baarmand, M M.; Bhopatkar, Vallary; Colafranceschi, Stefano; Hohlmann, Marcus; Kalakhety, H; Noonan, D; Roy, Tuhin S.; Yumiceva, Francisco X.; and CMS Collaboration, "Measurement Of The Zγ→νν‾γ Production Cross Section In pp Collisions At s=8 TeV And Limits On Anomalous ZZγ And Zγγ Trilinear Gauge Boson Couplings" (2016). Aerospace, Physics, and Space Science Faculty Publications. 118.